Silverado 1500 2WD V8-6.0L Hybrid (2009)
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution) .
3. Install the HPA (1) to the brake modulator assembly and tighten to 30 Nm (22 lb ft) .
4. Install the brake modulator assembly bracket and remove the support. Refer to Brake Pressure Modulator Valve Replacement (See: Antilock
Brakes / Traction Control Systems/Hydraulic Control Assembly - Antilock Brakes/Service and Repair) .
5. Tighten the brake modulator manual pressure relief valve (1) to 40 Nm
(30 lb ft) .
6. Perform theAntilock Brake System Automated Bleed Procedure (See: Brake Bleeding/Service and Repair) . Follow the procedure completely to
ensure the learn procedure for the pressure and travel sensors has occurred.
